Review on Hapco Products Lead Substitute Oz by Ken Chen

When I tried this automotive additive, i noticed a significant difference in my engine's performance .The lead substitute greatly reduced knocking and improved fuel efficiency. I appreciate the added protection for my car's engine and the peace of mind it gives me. The only downside is that it can be a bit pricey compared to other additives on the market, but the quality is well worth it. Overall, I highly recommend this product for any car enthusiast looking for a reliable lead substitute..